Hookah



FIG. 1 is a perspective view of my design for a hookah;

FIG. 2 is an elevation view of the side of the hookah;

FIG. 3 is another elevation view of the side of the hookah;

FIG. 4 is another elevation view of the side of the hookah;

FIG. 5 is a top plan view of the hookah; and,

FIG. 6 is a bottom plan view of the hookah. 

The ornamental design for a hookah, as shown and described. 